<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style type="text/css">
			*{
				padding: 0;
				margin: 0;
			}
			span{
				display: inline-block;
				width: 200px;
				font-size: 12px;
				line-height: 1;
				height: 1em;
				background: red;
				text-align: justify;
			}
			span:after{
				background: #ccc;
				content: '';
			  	display:inline-block;
			  	width:100%;
				line-height: 0;
				height: 0;
			}
		</style>
	</head>
	<body>
		<span>
			你好
		</span>	
		<p>0000000000000</p>
	</body>
	
</html>
